Clinical trials: Visual Outcomes, open to volunteers
Negative Symptoms in Schizophrenia, Schizophrenia Disorders
40 Hz Visual Stimulation as an Intervention in Schizophrenia
In schizophrenia, an abnormal reduction in neuronal gamma oscillations (30-100 Hz) is associated with negative symptoms such as cognitive dysfunction.
- Conditions
- Negative Symptoms in Schizophrenia, Schizophrenia Disorders, Schizoaffective Disorder
- Trial name
- GammaSZ (NCT06907420)
- Testing
- Visual stimulation
- Where
- Germany
- Volunteers
- 20 people
- Sponsor
- Technical University of Munich
Healhty, Aging
Video Game Intervention In Older Adults
The purpose of this clinical trial is to investigate the effects of a rehabilitative game-based intervention on self-efficacy, balance, and visual-motor integration in individuals aged 60 years and older.
- Conditions
- Healhty, Aging, Balance, Self Efficacy
- Trial name
- NCT07433608
- Testing
- Game-Based Virtual Reality Intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Biruni University
Age Related Cataracts
Intraindividual Comparison of EMO IOLs
The investigational devices are approved intraocular lenses (IOLs) intended to be implanted after phacoemulsification in individuals suffering from age-related cataract with the need of cataract surgery.
- Trial name
- EMO (NCT05822089)
- Testing
- phacoemulsification and intraocular lens implantation
- Where
- Austria
- Volunteers
- 461 people
- Sponsor
- Medical University of Vienna
Hemianopia, Brain Injuries
Biofeedback Training for Hemianopia
This is a prospective study that compares biofeedback training on the microperimetry (BT) to a control group in patient s with hemianopia.
- Trial name
- NCT06995313
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University Health Network, Toronto
Visual Correction, Refractive Surgery
Outcomes of Cataract & Refractive Procedures
The primary objective of the database is to retrospectively analyse the visual and refractive outcomes of cataract and refractive procedures in order to continuously assess outcomes and also compare outcomes between the different…
- Conditions
- Visual Correction, Refractive Surgery, Cataract Surgery
- Trial name
- NCT07481487
- Where
- United Kingdom
- Volunteers
- 150 people
- Sponsor
- Vision Care Collective Limited
Coronary Arterial Disease (CAD), Radial Artery Spasm
Impact of Preprocedural Stress Ball Use on Radial Artery Outcomes in Elective Coronary Angiography
This randomized, double-blind, controlled trial aims to evaluate the effect of preprocedural hand exercise using a stress ball on the incidence of radial artery spasm and other vascular complications in patients undergoing…
- Conditions
- Coronary Arterial Disease (CAD), Radial Artery Spasm, Radial Artery Occlusion, Transradial Angiogram
- Trial name
- SPARROW (NCT07087522)
- Testing
- Stress Ball Use
- Where
- Turkey (Türkiye)
- Volunteers
- 400 people
- Sponsor
- Sakarya University
Cataract, Fuchs Endothelial Corneal Dystrophy
Partial Range Of Field IOLs in DMEK-Enabled Procedures
Study Overview This study aims to evaluate the visual outcomes, quality of vision, and patient satisfaction after receiving an extended range PRoF intraocular lens (IOL) during triple Descemet Membrane Endothelial Keratoplasty…
- Trial name
- PROFIDE (NCT07441616)
- Testing
- combined cataract and lamellar endothelial keratoplasty
- Where
- Belgium
- Volunteers
- 10 people
- Sponsor
- Universitair Ziekenhuis Brussel
Cataract and IOL Surgery, IOL Implantation
Head-to-Head Comparison of Five Enhanced Depth of Focus IOLs and One Monofocal IOL
Study Goal The goal of this clinical trial is to compare how well four different types of artificial lenses (called intraocular lenses or IOLs) help people see after cataract surgery.
- Conditions
- Cataract and IOL Surgery, IOL Implantation, Presbyopia Correction, Extended Depth of Focus
- Trial name
- AKA-Reports (NCT07051720)
- Testing
- Bilateral implantation of CT ASPHINA 409M, Bilateral implantation of TECNIS Eyhance ICB00, Bilateral implantation of AcrySof® IQ Vivity®
- Where
- Germany
- Volunteers
- 180 people
- Sponsor
- Augenklinik Ahaus G + H GmbH & Co. KG
Paroxysmal Atrial Fibrillation (PAF)
Intracardiac Echocardiography-guided Versus Electroanatomical Mapping-guided Pulsed Field Ablation for Paroxysmal Atrial Fibrillation
This is a prospective, randomized clinical trial, which will be conducted in selected European centers. The objective is to compare two commonly used strategies to guide pulsed-field ablation (PFA) in patients with paroxysmal…
- Trial name
- PFA-VISION (NCT07772518)
- Testing
- In the ICE group, positioning/contact of the ablation catheter will be performed under ICE guidance. In the mapping group, guidance will be performed using three-dimensional electroanatomical mapping.
- Where
- 8 sites in Croatia, Czechia and 6 more
- Volunteers
- 292 people
- Sponsor
- Mitera Hospital
Inguinal Hernia Unilateral
STAPLES VERSUS SUTURES FOR MESH FIXATION IN LICHTENSTEIN HERNIOPLASTY: A RANDOMIZED CONTROLLED TRIAL EVALUATING POSTOPERATIVE OUTCOMES IN INGUINAL HERNIA PATIENTS
The study is aimed at comparing postoperative complications between two different techniques of mesh fixation in lichtenstein inguinal hernia repair.
- Trial name
- NCT07627425
- Testing
- Mesh fixation with Staples, Mesh Fixation with Sutures
- Where
- Pakistan
- Volunteers
- 100 people
- Sponsor
- Huzaif Saeed Khan
Retinal Detachment
REtinal Detachment Outcomes Study
Background: Few large randomized controlled trials provide strong evidence to guide surgical repair of primary rhegmatogenous retinal detachment (RRD) repair.
- Trial name
- REDOS (NCT05863312)
- Testing
- Pars plana vitrectomy, Pars plana vitrectomy with scleral buckle, Sulfur hexafluoride gas tamponade
- Where
- Canada
- Volunteers
- 560 people
- Sponsor
- CHU de Quebec-Universite Laval
Stroke, Gait Impairment
Robot-Assisted Gait Training vs Visual Feedback Balance Training in Stroke
Stroke frequently leads to balance impairment and gait dysfunction, increasing fall risk and limiting functional independence. Technology-assisted rehabilitation approaches such as robot-assisted gait training and visual feedback…
- Conditions
- Stroke, Gait Impairment, Balance Impairment
- Trial name
- NCT07471919
- Testing
- Robot-Assisted Gait Training, Visual Feedback Balance Training
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Abant Izzet Baysal University
Intraocular Lens Implantation, Cataract
Intraoperative Aberrometry vs Conventional Intraocular Lens Calculation, a Prospective Study.
the goal of this intervention study is to compare prospectively the accuracy of the power calculation between both groups, the intraoperative aberrometry (ORA) vs barrett universal II preoperative calculation (control group) .
- Conditions
- Intraocular Lens Implantation, Cataract, Humans, Ocular, Refraction
- Trial name
- ORAVSCTRL (NCT06219252)
- Testing
- Intraoperative aberrometer, Preoperative intraocular lens calculation
- Where
- Mexico
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Dry Eye Disease (DED)
Randomized Single Center Study to Evaluate Tolerability, Symptoms, and Visual Functional Outcomes With the Use of OTC Lubricating Eye Drops in Subjects With Dry Eye Disease
A study to evaluate the effect of over- the- counter (OTC) lubricating eye drops on tolerability, symptoms and visual outcomes in patients with dry eye disease (DED)
- Trial name
- NCT07676084
- Testing
- Preservative Free Polyethylene glycol 400 0.25%, Propylene Glycol (0.6%), Carboxymethylcellulose sodium 0.5%, Glycerin 1.0%, Polysorbate 80 0.5%
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Andover Research Eye Institute
Myopia, Astigmatism
A Three-Phase Contralateral Comparison of Ray-Tracing Guided LASIK Versus Three Other Refractive Surgery Platforms to Correct Myopia or Myopia With Astigmatism
This purpose of this study is to compare a new form of LASIK called Ray Tracing Guided LASIK to 3 other forms of corneal refractive surgery: 1. KLEx (KeratoLenticule Extraction) using the Zeiss Visumax 800 Laser, 2.
- Trial name
- NCT07201298
- Testing
- Ray-Tracing Guided LASIK, Keratorefractive Lenticule Extraction (KLEx), WaveFront Optimized LASIK
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hoopes Vision
Dental Caries, Teeth Loss
The Effect of Bitewing Radiography on Outcomes and Costs of Treating Caries in Permanent Teeth
Dentists commonly use bitewing radiographs (dental X-rays) together with a visual-tactile (clinical) examination to detect cavities between the back teeth.
- Conditions
- Dental Caries, Teeth Loss, Necrosis of Pulp, Irreversible Pulpitis
- Trial name
- BROCC (NCT07882693)
- Testing
- Visual-tactile caries examination, Visual-tactile caries examination and bilateral bitewing radiography
- Where
- Finland
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Jukka Leinonen
Suture Materials, Wound Healing
Patient-Reported Outcomes of Four Intraoral Suture Materials
When patients undergo minor oral surgery, dentists use various types of stitches (sutures) to help the gums heal. These stitches can be made of different materials, and some might feel more comfortable, cause less pain, or…
- Conditions
- Suture Materials, Wound Healing, Patient Comfort, Oral Health-Related Quality of Life
- Trial name
- NCT07569237
- Testing
- Silk Suture (Braided, Non-absorbable), Polyglactin 910 Suture (Braided, Absorbable), Polyamide Suture (Monofilament, Non-absorbable)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Cataract, High Myopia
Visual Outcomes of an Enhanced Monofocal Intraocular Lens Targeted for Monovision in Highly Myopic Eyes: a Randomized Controlled Trial
The goal of this clinical trial is to evaluate whether an enhanced monofocal intraocular lens targeted for monovision can improve visual outcomes in patients with cataract and high myopia (axial length ≥ 26 mm).
- Trial name
- NCT07168109
- Testing
- Enhanced monofocal intraocular lens implantation (monovision strategy), Enhanced monofocal intraocular lens implantation (bilateral myopia strategy)
- Volunteers
- 66 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Cataract
Toric Performance And Constant Evaluation
The main purpose of this investigation is to support safety and performance assessment of the investigational device with a focus on optimizing the IOL constants based on refractive outcomes.
- Trial name
- PACE (NCT07471295)
- Testing
- Monofocal toric IOL
- Where
- 6 sites in Czechia, Germany and 2 more
- Volunteers
- 130 people
- Sponsor
- Carl Zeiss Meditec AG
Retinoblastoma, Cancer Survivor
Studying Health Outcomes After Treatment in Patients With Retinoblastoma
This trial studies health outcomes after treatment in patients with retinoblastoma. Gathering health information over time from patients and family members through vision assessments, samples of tissue and saliva, and…
- Conditions
- Retinoblastoma, Cancer Survivor, Biological Sibling, Intraocular Retinoblastoma
- Trial name
- RIVERBOAT (NCT03932786)
- Testing
- Biospecimen collection, Vision assessment, Questionnaire administration
- Where
- 11 sites in United States, Canada
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Vanderbilt-Ingram Cancer Center